Finding the Third Proportional to 2,545,920 and 5,546,304

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,920 : 5,546,304 = 5,546,304 : x
2. Step 2: Convert to fraction form
   2,545,920/5,546,304 = 5,546,304/x
3. Step 3: Cross multiply
   2,545,920x = 5,546,304 × 5,546,304
4. Step 4: Simplify right side
   2,545,920x = 30,761,488,060,416
5. Step 5: Solve for x
   x = 30,761,488,060,416/2,545,920
6. Step 6: Final answer
   x = 12,082,660.91